Add AI Knowledge entity and related localization

- Introduced CAIKnowledge entity with fields for name, description, and relationships to Mietinkasso and Räumungsklage.
- Added localization files for CAIKnowledge in multiple languages including English, German, Spanish, and more.
- Updated existing JSON files to include references to AI Knowledge where applicable.
- Created necessary metadata definitions for client, entity, and record definitions for CAIKnowledge.
- Enhanced existing documents and mietinkasso resources to support new AI Knowledge functionality.

custom/Espo/Custom/Resources/i18n/en_US/CAdvowareAkten.json

@@ -3,14 +3,16 @@
         "vmhRumungsklage": "Räumungsklagen",
         "mietinkasso": "Mietinkasso",
         "aktenzeichen": "Aktenzeichen",
-        "aktennummer": "Aktennummer"
+        "aktennummer": "Aktennummer",
+        "dokumentes": "Dokumente"
     },
     "links": {
         "meetings": "Meetings",
         "calls": "Calls",
         "tasks": "Tasks",
         "vmhRumungsklage": "Räumungsklagen",
-        "mietinkasso": "Mietinkasso"
+        "mietinkasso": "Mietinkasso",
+        "dokumentes": "Dokumente"
     },
     "labels": {
         "Create CAdvowareAkten": "Create Advoware Akten"